With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
l2tTunnelUpTime
l2t Tunnel Up Time
1.3.6.1.4.1.2.6.119.4.7.2.1.1.16
The length of time the tunnel has been active in hundredths of seconds.
Back to ibm-ibml2tp MIB page.
IPHost Network monitor allows you to monitor l2tTunnelUpTime on IBM device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring IBM servers right now.